(Q17509064)
Statements
1 reference
February 1991
June 1991
1 reference
June 1991
August 1992
1 reference
1992
1994
1 reference
1994
2 March 1997
1 reference
March 1997
August 1997
1 reference
September 1997
2000
1 reference
2000
2006
1 reference
October 2006
June 2008
1 reference
June 2008
July 2011
1 reference
8 August 2011
7 November 2013
1 reference
8 November 2013
January 2017
1 reference